diff --git a/Backport-Fix-CVE-2025-9230.patch b/Backport-Fix-CVE-2025-9230.patch
new file mode 100644
index 0000000000000000000000000000000000000000..500180b56f2b9480626c61b2b815c32705598c62
--- /dev/null
+++ b/Backport-Fix-CVE-2025-9230.patch
@@ -0,0 +1,31 @@
+From a79c4ce559c6a3a8fd4109e9f33c1185d5bf2def Mon Sep 17 00:00:00 2001
+From: Viktor Dukhovni <openssl-users@dukhovni.org>
+Date: Thu, 11 Sep 2025 18:10:12 +0200
+Subject: [PATCH] kek_unwrap_key(): Fix incorrect check of unwrapped key size
+
+Fixes CVE-2025-9230
+
+The check is off by 8 bytes so it is possible to overread by
+up to 8 bytes and overwrite up to 4 bytes.
+
+Reviewed-by: Neil Horman <nhorman@openssl.org>
+Reviewed-by: Matt Caswell <matt@openssl.org>
+Reviewed-by: Tomas Mraz <tomas@openssl.org>
+(cherry picked from commit 9c462be2cea54ebfc62953224220b56f8ba22a0c)
+---
+ crypto/cms/cms_pwri.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/crypto/cms/cms_pwri.c b/crypto/cms/cms_pwri.c
+index d5c3c8d399dfd..33a7ccaa76a3a 100644
+--- a/crypto/cms/cms_pwri.c
++++ b/crypto/cms/cms_pwri.c
+@@ -229,7 +229,7 @@ static int kek_unwrap_key(unsigned char *out, size_t *outlen,
+         /* Check byte failure */
+         goto err;
+     }
+-    if (inlen < (size_t)(tmp[0] - 4)) {
++    if (inlen < 4 + (size_t)tmp[0]) {
+         /* Invalid length value */
+         goto err;
+     }
diff --git a/openssl.spec b/openssl.spec
index 2a81c8e19a325aa9bdfe2b9907a4aaa448ac7a3f..7e2604d546bdbd37ca775b48669e4ca26110aa62 100644
--- a/openssl.spec
+++ b/openssl.spec
@@ -2,7 +2,7 @@
 Name:        openssl
 Epoch:       1
 Version:     1.1.1f
-Release:     39
+Release:     40
 Summary:     Cryptography and SSL/TLS Toolkit
 License:     OpenSSL and SSLeay and GPLv2+
 URL:         https://www.openssl.org/
@@ -149,6 +149,7 @@ Patch138:    backport-Check-password-length-only-when-verify-is-enabled.patch
 Patch139:    backport-ticket_lifetime_hint-may-exceed-1-week-in-TLSv1.3.patch
 Patch140:    backport-CVE-2024-9143-Harden-BN_GF2m_poly2arr-against-misuse.patch
 Patch141:    backport-CVE-2024-13176-Fix-timing-side-channel.patch
+Patch142:    Backport-Fix-CVE-2025-9230.patch
 
 BuildRequires: gcc make lksctp-tools-devel coreutils util-linux zlib-devel
 
@@ -332,6 +333,9 @@ make test || :
 %{_pkgdocdir}/html/
 
 %changelog
+* Wed Oct 1 2025 lizhipeng <lizhipeng@kylinos.cn> - 1:1.1.1f-40
+- fix CVE-2025-9230
+
 * Wed Feb 5 2025 jinlun <jinlun@huawei.com> - 1:1.1.1f-39
 - fix CVE-2024-13176